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<br />I <br />I <br />t <br />I <br />I <br />II <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Lesson 5 <br /> <br />Culvert Failures - Participant Workbook <br /> <br />These photos are taken at a large 10 gage structural plate installation (18'-1" x 11 '-1 0") <br />where the pipe had been placed in a drainage way. The contractor had been backfilling <br />the structure from the downstream direction but did not get completed before the flood <br />came. You are looking at the inlet of the pipe and at selected photographs taken inside <br />it. The bottom looked like the photo for the 1000'+ length of the pipe. The third photo <br />showing the shoring is under a railroad. <br /> <br />As can be seen in the photographs, there was no headwall or cutoff wall at the entrance <br />of the pipe. <br /> <br /> <br />5.15 <br /> <br />5.16 <br /> <br /> <br />5.17 <br /> <br />5-11 <br />